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dsp/bench: add pll/rpll micro benches

This commit is contained in:
Robert Jördens 2021-01-31 18:54:09 +01:00
parent 43342cef91
commit 8408bc5811
2 changed files with 51 additions and 28 deletions
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51
dsp/benches/micro.rs Normal file
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use core::f32::consts::PI;
use criterion::{black_box, criterion_group, criterion_main, Criterion};
use dsp::{atan2, cossin, pll::PLL, rpll::RPLL};
fn atan2_bench(c: &mut Criterion) {
let xi = (10 << 16) as i32;
let xf = xi as f32 / i32::MAX as f32;
let yi = (-26_328 << 16) as i32;
let yf = yi as f32 / i32::MAX as f32;
c.bench_function("atan2(y, x)", |b| {
b.iter(|| atan2(black_box(yi), black_box(xi)))
});
c.bench_function("y.atan2(x)", |b| {
b.iter(|| black_box(yf).atan2(black_box(xf)))
});
}
fn cossin_bench(c: &mut Criterion) {
let zi = -0x7304_2531_i32;
let zf = zi as f32 / i32::MAX as f32 * PI;
c.bench_function("cossin(zi)", |b| b.iter(|| cossin(black_box(zi))));
c.bench_function("zf.sin_cos()", |b| b.iter(|| black_box(zf).sin_cos()));
}
fn rpll_bench(c: &mut Criterion) {
let mut dut = RPLL::new(8);
c.bench_function("RPLL::update(Some(t), 21, 20)", |b| {
b.iter(|| dut.update(black_box(Some(0x241)), 21, 20))
});
c.bench_function("RPLL::update(Some(t), sf, sp)", |b| {
b.iter(|| {
dut.update(black_box(Some(0x241)), black_box(21), black_box(20))
})
});
}
fn pll_bench(c: &mut Criterion) {
let mut dut = PLL::default();
c.bench_function("PLL::update(t, 12, 11)", |b| {
b.iter(|| dut.update(black_box(0x1234), 12, 1))
});
c.bench_function("PLL::update(t, sf, sp)", |b| {
b.iter(|| dut.update(black_box(0x241), black_box(21), black_box(20)))
});
}
criterion_group!(trig, atan2_bench, cossin_bench);
criterion_group!(pll, rpll_bench, pll_bench);
criterion_main!(trig, pll);

28
dsp/benches/trig.rs
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use core::f32::consts::PI;
use criterion::{black_box, criterion_group, criterion_main, Criterion};
use dsp::{atan2, cossin};
fn atan2_bench(c: &mut Criterion) {
let xi = (10 << 16) as i32;
let xf = xi as f32 / i32::MAX as f32;
let yi = (-26_328 << 16) as i32;
let yf = yi as f32 / i32::MAX as f32;
c.bench_function("atan2(y, x)", |b| {
b.iter(|| atan2(black_box(yi), black_box(xi)))
});
c.bench_function("y.atan2(x)", |b| {
b.iter(|| black_box(yf).atan2(black_box(xf)))
});
}
fn cossin_bench(c: &mut Criterion) {
let zi = -0x7304_2531_i32;
let zf = zi as f32 / i32::MAX as f32 * PI;
c.bench_function("cossin(zi)", |b| b.iter(|| cossin(black_box(zi))));
c.bench_function("zf.sin_cos()", |b| b.iter(|| black_box(zf).sin_cos()));
}
criterion_group!(benches, atan2_bench, cossin_bench);
criterion_main!(benches);